v0.9.21

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• Documentation fixes
• minor derive macro improvements
• MSRV is now 1.60

v2.13.0

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• Implemented Clone for IntoKeys and IntoValues.
• Added map::Slice::split_at_checked and split_at_mut_checked.
• Added set::Slice::split_at_checked.

v2.12.1

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• Simplified a lot of internals using hashbrown's new bucket API.

v1.46.2

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• Fix inline snapshot corruption with carriage returns. The leading_space() function incorrectly treated \r as indentation, causing carriage returns to be stripped from snapshot content. #​866
• Remove < 0.4.17 upper bound on globset dependency. #​864

v1.46.1

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• Fix inline snapshot corruption when multiple snapshots appear inside with_settings! macro. #​858

v1.46.0

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• Add INSTA_PENDING_DIR environment variable for Bazel and other hermetic build systems. When set, pending snapshots are written to a separate directory while keeping the source tree read-only. We are very open to feedback on this feature. #​852
• Fix documentation for test.runner_fallback config key. #​853

v1.45.1

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• Fix backward compatibility with TOML format produced by insta < 1.45.0. #​849 (@​chitoku-k)

v1.45.0

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• Add external diff tool support via INSTA_DIFF_TOOL environment variable. When set, insta uses the specified tool (e.g., delta, difftastic) to display snapshot diffs instead of the built-in diff. The tool is invoked as <tool> <old_file> <new_file>. #​844
• Add test.disable_nextest_doctest config option to insta.yaml, allowing users to silence the nextest doctest warning via config instead of passing --dnd every time. #​842
• Skip non-insta snapshot files in unreferenced detection. Projects using both insta and other snapshot tools (like vitest or jest) can now use --unreferenced=reject without false positives on .snap files from other tools. #​846
• Collect warnings from tests for display after run. Ensures deprecation warnings are visible even when nextest suppresses stdout/stderr from passing tests. #​840
• Update TOML serialization to be up-to-date and backwards-compatible. #​834 (@​spoutn1k)
• Support clippy::needless_raw_strings lint by only using raw strings when content contains backslashes or quotes. #​828

v1.44.3

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• Fix a regression in 1.44.2 where merge conflict detection was too aggressive, incorrectly flagging snapshot content containing ====== or similar patterns as conflicts. #​832
• Fix a regression in 1.42.2 where inline snapshot updates would corrupt the file when code preceded the macro (e.g., let output = assert_snapshot!(...)). #​833

v1.44.2

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• Fix a rare backward compatibility issue where inline snapshots using an uncommon legacy format (single-line content stored in multiline raw strings) could fail to match after 1.44.0. #​830
• Handle merge conflicts in snapshot files gracefully. When a snapshot file contains git merge conflict markers, insta now detects them and treats the snapshot as missing, allowing tests to continue and create a new pending snapshot for review. #​829
• Skip nextest_doctest tests when cargo-nextest is not installed. #​826
• Fix functional tests failing under nextest due to inherited NEXTEST_RUN_ID environment variable. #​824

v1.44.1

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• Add --dnd alias for --disable-nextest-doctest flag to make it easier to silence the deprecation warning. #​822
• Update cargo-dist to 0.30.2 and fix Windows runner to use windows-2022. #​821

v1.44.0

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• Added non-interactive snapshot review and reject modes for use in non-TTY environments
  (LLMs, CI pipelines, scripts). cargo insta review --snapshot <path> and
  cargo insta reject --snapshot <path> now work without a terminal. Enhanced
  pending-snapshots output with usage instructions and workspace-relative paths. #​815
• Add --disable-nextest-doctest flag to cargo insta test to disable running doctests with
  nextest. Shows a deprecation warning when nextest is used with doctests without this flag, to prepare cargo insta to no longer run
  a separate doctest process when using nextest in the future. #​803
• Add ergonomic --test-runner-fallback / --no-test-runner-fallback flags to cargo insta test. #​811
• Apply redactions to snapshot metadata. #​813
• Remove confusing 'previously unseen snapshot' message. #​812
• Speed up JSON float rendering. #​806 (@​nyurik)
• Allow globset version up to 0.4.16. #​810 (@​g0hl1n)
• Improve documentation. #​814 (@​tshepang)
• We no longer trim starting newlines during assertions, which allows asserting
  the number of leading newlines match. Existing assertions with different
  leading newlines will pass and print a warning suggesting running with
  --force-update-snapshots. They may fail in the future. (Note that we still
  currently allow differing trailing newlines, though may adjust this in the
  future). #​563

v1.0.106

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• Optimize Span::byte_range (#​530)

v1.0.105

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• Make std dependencies more easily discoverable in source code (#​528)

v1.0.104

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• Add Rust 1.92.0's TokenStream Extend impls (#​527, rust-lang/rust#145722)

v1.0.44

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• Support raw lifetime syntax 'r#async (#​323)

v1.0.43

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• Disambiguate references to stringify! macro inside generated code (#​316)

v1.0.149

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• Align arbitrary_precision number strings with zmij's formatting (#​1306, thanks @​b41sh)

v1.0.148

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• Update zmij dependency to 1.0

v1.0.147

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• Switch float-to-string algorithm from Ryū to Żmij for better f32 and f64 serialization performance (#​1304)

v1.0.146

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• Set fast_arithmetic=64 for riscv64 (#​1305, thanks @​Xeonacid)

v2.0.114

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• Make std dependencies more easily discoverable in source code (#​1956, thanks @​tamird)

v2.0.113

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• Allow parsing TypeParam with colon not followed by any type param bounds (#​1953, thanks @​wyfo)

v2.0.112

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• Fix panic in LitByte::new().value() (#​1951, thanks @​VictorArcium)

v2.0.111

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• Allow first argument of braced!, bracketed!, parenthesized! to be an otherwise unused variable (#​1946)